Polishing.

Reformat code.

See #3024

src/main/java/org/springframework/data/redis/serializer/GenericJackson2JsonRedisSerializer.java

@@ -157,7 +157,6 @@ public class GenericJackson2JsonRedisSerializer implements RedisSerializer<Objec
 	 */
 	public GenericJackson2JsonRedisSerializer(ObjectMapper mapper, JacksonObjectReader reader,
 			JacksonObjectWriter writer) {
-
 		this(mapper, reader, writer, null);
 	}